#5B53FA
Closest named color: Neon Blue (#4361EE). oklch(55.7% 0.239 277.4), rgb(91, 83, 250).
Aa
White text reads best on this color (5.16:1).
About this color
#5B53FA is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.239 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.041 away. White text reads best on it, at 5.16:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.239) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #5B53FA |
| RGB | rgb(91, 83, 250) |
| HSL | hsl(243, 94%, 65%) |
| OKLCH | oklch(55.7% 0.239 277.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5B53FA | 5.16:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #5B53FA | 4.06:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #5B53FA text on white | 5.16:1 | AA | Lc 74.9 | Content text, not long reading |
| #5B53FA text on black | 4.06:1 | AA large text | Lc -26.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E8FF
oklch(93.5% 0.031 277.9)
-
Step 200
200
#CFD6FF
oklch(88.4% 0.057 277.5)
-
Step 300
300
#B1BBFF
oklch(80.9% 0.097 277.5)
-
Step 400
400
#8A95FF
oklch(70.7% 0.154 277.2)
-
Step 500
500
#7075FF
oklch(63.1% 0.201 277.4)
-
Step 600
600 (this color)
#5B53FA
oklch(55.7% 0.239 277.4)
-
Step 700
700
#4C41DA
oklch(49.1% 0.223 277.5)
-
Step 800
800
#3D37B0
oklch(42.6% 0.185 277.3)
-
Step 900
900
#33328B
oklch(37.6% 0.144 277.5)
-
Step 950
950
#1D1F51
oklch(27% 0.09 276.8)
#5B53FA with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0074FF | 0.084 |
| Deuteranopia (no green cones) | #0066F7 | 0.070 |
| Tritanopia (no blue cones) | #007FA0 | 0.195 |
| Achromatopsia (no color) | #6D6D6D | 0.240 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B53FA
#5B53FA
oklch(55.7% 0.239 277.4)
- #867300
#867300
oklch(55.7% 0.115 97.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5B53FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.041
- Warm Blue #4B57DB ΔE 0.052
- Purpley Blue #5F34E7 ΔE 0.062
- Azul #1D5DEC ΔE 0.064
- Royal Blue #4169E1 ΔE 0.065
- Bright Blue #0165FC ΔE 0.069
- Burple #6832E3 ΔE 0.069
- Dark Periwinkle #665FD1 ΔE 0.071
Use #5B53FA in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.